Question

help me with this sum​

Answer 1

Step-by-step explanation:

negative power =reciprocal of the fraction

thus

$2 {}^{1} + ( \frac{3}{2}) {}^{2} - \frac{3}{4} \\ = 2 + \frac{9}{4} - \frac{3}{4} \\ = \frac{8 + 9 - 3}{4} \\ = \frac{14}{4} answer$

hope it helps